Item Type: Solar Rotating Bird Repeller Material: ABS Lens Diameter: Approx. 68mm / 2.7in Rotation Diameter: Approx. 410mm / 16.1in Battery: 1 x rechargeable lithium battery 800mAh (shipped with built in battery) Package List 3 x Reflective Mirror 1 x Shaft 1 x Rod with Base 1 x Solar Alarm 3 x Accessory 1360 Reflective: Using rotating and flashing type to repel birds, so that birds are frightened to flee when they are exposed to strong light or their own shadow reflection. 2Loud Volume: The bird repeller has a built in vocalizer with high volume, which can work continuously for all kinds of birds. 3Easy to Use: Our bird repeller can be wind powered or solar powered, and can be used no matter what the weather is, easy to operate and convenient. 4ABS Material: Our bird repeller is made of ABS plastic, which will not rust when left outdoors for a long time and has a long service life. 5Multiple Applications: Bird repellers are suitable for a variety of applications, such as gardens, fields, railroads, communications, airports, fish ponds, etc.